package dsq.lesson.session;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.dsna.util.images.ValidateCode;

@WebServlet("/session/codeServlet")
public class CodeServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		ValidateCode vc  = new ValidateCode(110, 25, 4, 9);
		
		//保存验证码
		request.getSession().setAttribute("scode", vc.getCode());
		
		vc.write(response.getOutputStream());
		
		
	}

	
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
